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Staff information

Karen Schuchardt

Software Engineer

PNNL Publications


  • Chappell A.R., J.R. Weaver, S. Purohit, W.P. Smith, K.L. Schuchardt, P. West, and B. Lee, et al. 2015. "Enhancing the Impact of Science Data: Toward Data Discovery and Reuse." In Proceedings of the IEEE/ACIS 14th International Conference on Computer and Information Science (ICIS) 2015, June 28-July 1, 2015, Las Vegas, Nevada, edited by T Ito, Y Kim and N Fukuta, 271-277. Piscataway, New Jersey:Institute of Electrical & Electronics Engineers (IEEE). PNNL-SA-107823. doi:10.1109/ICIS.2015.7166605
  • Freedman V.L., C.S. Lansing, E.A. Porter, K.L. Schuchardt, Z.C. Guillen, C. Sivaramakrishnan, and I. Gorton. 2015. "A Collaborative Extensible User Environment for Simulation and Knowledge Management." In International Conference on Collaboration Technologies and Systems (CTS 2015) June 1-5, 2015, Atlanta, Georgia, 280-286. Piscataway, New Jersey:IEEE. PNNL-SA-108103. doi:10.1109/CTS.2015.7210435
  • Scheibe T.D., K.L. Schuchardt, K. Agarwal, J.M. Chase, X. Yang, B.J. Palmer, and A.M. Tartakovsky, et al. 2015. "Hybrid multiscale simulation of a mixing-controlled reaction." Advances in Water Resources 83. PNNL-SA-105960. doi:10.1016/j.advwatres.2015.06.006
  • Wood L.S., J.A. Daily, M.J. Henry, B.J. Palmer, K.L. Schuchardt, D.A. Dazlich, and R.P. Heikes, et al. 2015. "A Global Climate Model Agent for High Spatial and Temporal Resolution Data." International Journal of High Performance Computing Applications 29, no. 1:107-116. PNNL-SA-94300. doi:10.1177/1094342013518808


  • Freedman V.L., X. Chen, S.A. Finsterle, M.D. Freshley, I. Gorton, L.J. Gosink, and E. Keating, et al. 2014. "A high-performance workflow system for subsurface simulation." Environmental Modelling & Software 55. PNNL-SA-92680. doi:10.1016/j.envsoft.2014.01.030
  • Scheibe T.D., X. Yang, K.L. Schuchardt, K. Agarwal, J.M. Chase, B.J. Palmer, and A.M. Tartakovsky. 2014. "A Many-Task Parallel Approach for Multiscale Simulations of Subsurface Flow and Reactive Transport." In 7th Workshop on Many-Task Computing on Clouds, Grids, and Supercomputers (MTAGS 2014), November 16, 2014, New Orleans, Louisiana. New York, New York:ACM. PNNL-SA-105263.
  • Weaver J.R., V.G. Castellana, A. Morari, A. Tumeo, S. Purohit, A.R. Chappell, and D.J. Haglin, et al. 2014. "Toward a Data Scalable Solution for Facilitating Discovery of Science Resources." Parallel Computing 40, no. 10:682-696. PNNL-SA-101643. doi:10.1016/j.parco.2014.08.002


  • Bicer T., J. Yin, D. Chiu, G. Agrawal, and K.L. Schuchardt. 2013. "Integrating Online Compression to Accelerate Large-Scale Data Analytics Applications." In 27th IEEE International Parallel & Distributed Processing Symposium, (IPDPS 2013), May 20-24, 2013, Boston, MA, 1205-1216. Piscataway, New Jersey:IEEE. PNNL-SA-93019. doi:10.1109/IPDPS.2013.81
  • Chappell A.R., S. Choudhury, J.T. Feo, D.J. Haglin, A. Morari, S. Purohit, and K.L. Schuchardt, et al. 2013. "Toward a Data Scalable Solution for Facilitating Discovery of Scientific Data Resources." In DISCS-2013: Proceedings of the International Workshop on Data-Intensive Scalable Computing Systems, November 18, 2013, Denver, CO, 55-60. New York, New York:Association for Computing Machinery. PNNL-SA-98169. doi:10.1145/2534645.2534655


  • Gorton I., C. Sivaramakrishnan, G.D. Black, S.K. White, S. Purohit, C.S. Lansing, and M.C. Madison, et al. 2012. "Velo: A Knowledge Management Framework for Modeling and Simulation." Computing in Science & Engineering 14, no. 2:12-23. PNNL-SA-81912. doi:10.1109/MCSE.2011.116


  • Agarwal K., J.M. Chase, K.L. Schuchardt, T.D. Scheibe, B.J. Palmer, and T.O. Elsethagen. 2011. "Design and Implementation of “Many Parallel Task” Hybrid Subsurface Model." In MTAGS '11: Proceedings of the 2011 ACM International Workshop on Many Task Computing on Grids and Supercomputers, November 12-18, 2011, Seattle, Washington, 25-32. New York, New York:Association for Computing Machinery. PNNL-SA-83048. doi:10.1145/2132876.2132884
  • Bonneville A., G.D. Black, I. Gorton, P.S. Hui, E.M. Murphy, C.J. Murray, and M.L. Rockhold, et al. 2011. "Geologic Sequestration Software Suite (GS3): a collaborative approach to the management of geological GHG storage projects." In Proceedings of the 10th Greenhouse Gas Control Technologies Conference (GHGT10), September 19-23, 2010, Amsterdam, The Netherlands. Energy Procedia, edited by J Gale, C Hendriks W Turkenberg, 4, 3825-3832. Amsterdam:Elsevier. PNNL-SA-74783. doi:10.1016/j.egypro.2011.02.318
  • Chin G., C. Sivaramakrishnan, T.J. Critchlow, K.L. Schuchardt, and A. Ngu. 2011. "Scientist-Centered Workflow Abstractions via Generic Actors, Workflow Templates, and Context-Awareness for Groundwater Modeling and Analysis." In IEEE World Congress on Services, July 4-9, 2011, Washington, DC, 176 - 183. Los Alamitos, California:IEEE Computer Society. PNNL-SA-78244.
  • Gorton I., C. Sivaramakrishnan, G.D. Black, S.K. White, S. Purohit, M.C. Madison, and K.L. Schuchardt. 2011. "Velo: Riding the Knowledge Management Wave for Simulation and Modeling." In 4th International Workshop on Software Engineering for Computational Science and Engineering (SECSE 2011), Co-located with the 33rd International Conference on Software Engineering (ICSE 2011) May 21-28, 2011, Honolulu, Hawaii, 32-40. New York, New York:Association for Computing Machinery. PNNL-SA-78215. doi:10.1145/1985782.1985788
  • Jin C., S. Sehrish, W. Liao, A. Choudhary, and K.L. Schuchardt. 2011. "Improving the Average Response Time in Collective I/O." In Recent Advances in the Message Passing Interface - Proceedings of the 18th European MPI Users’ Group Meeting (EuroMPI 2011), September 18-21, 2011, Santorini, Greece. Lecture Notes in Computer Science, edited by Y Cotronis, et al, 6960, 71-80. Heidelberg:Springer. PNNL-SA-80736. doi:10.1007/978-3-642-24449-0_10
  • Jin Y., S. Lakshminarasimhan, N. Shah, Z. Gong, C. Chang, J.H. Chen, and S. Ethier, et al. 2011. "S-Preconditioner for Multi-fold Data Reduction with Guaranteed User-Controlled Accuracy." In IEEE 11th International Conference on Data Mining (ICDM 2011), December 11-14, 2011, Vancouver, BC, 290-299. Los Alamitos, California:IEEE Computer Society. PNNL-SA-82735. doi:10.1109/ICDM.2011.138
  • Palmer B.J., A.S. Koontz, K.L. Schuchardt, R.P. Heikes, and D.A. Randall. 2011. "Efficient data IO for a Parallel Global Cloud Resolving Model." Environmental Modelling & Software 26, no. 12:1725-1735. PNNL-SA-73200. doi:10.1016/j.envsoft.2011.08.007


  • Daily J.A., K.L. Schuchardt, and B.J. Palmer. 2010. "Efficient Extraction of Regional Subsets from Massive Climate Datasets using Parallel IO." In American Geophysical Union, Fall Meeting 2010, Paper No. IN41A-1360. Washington Dc:American Geophysical Union. PNNL-SA-71307.
  • Gorton I., G.D. Black, K.L. Schuchardt, C. Sivaramakrishnan, S.K. Wurstner, and P.S. Hui. 2010. "GS3: A Knowledge Management Architecture for Collaborative Geologic Sequestration Modeling." In Proceedings of the 43rd Hawaii International Conference on System Sciences (HICSS 2010). New York, New York:IEEE Computer Society Press. PNNL-SA-67060. doi:10.1109/HICSS.2010.217
  • Scheibe T.D., B.J. Palmer, K.L. Schuchardt, Y. Fang, and A.M. Tartakovsky. 2010. "Simulations of Subsurface Flow and Transport at the Pore and Continuum Scales." In SciDAC 2010 Scientific Discovery Through Advanced Computing, July 11-15, 2010, Chattanooga, Tennessee. Washington Dc:US Department of Energy, Office of Science. PNNL-SA-74118.
  • Schuchardt K.L., K. Agarwal, J.M. Chase, M.L. Rockhold, V.L. Freedman, T.O. Elsethagen, and T.D. Scheibe, et al. 2010. "Task parallel sensitivity analysis and parameter estimation of groundwater simulations through the SALSSA framework." In Proceedings of the 2010 Scientific Discovery through Advanced Computing (SciDAC) Conference, July 11-15, 2010, Cattanooga, Tennessee, 233-237. Oak Ridge, Tennessee:Oak Ridge National Laboratory. PNNL-SA-73770.


  • Gibson T.D., K.L. Schuchardt, and E.G. Stephan. 2009. "Application of Named Graphs Towards Custom Provenance Views." In 1st Workshop on the Theory and Practice of Provenance (TaPP '09), Paper No. 5. Berkeley, California:USENIX. PNNL-SA-64621.
  • Schuchardt K.L., J.M. Chase, J.A. Daily, T.O. Elsethagen, B.J. Palmer, and T.D. Scheibe. 2009. "Application of SALSSA Framework to the Validation of Smoothed Particle Hydrodynamics Simulations of Low Reynolds Number Flows." Journal of Physics: Conference Series 180, no. 1:Article No. 012065. PNNL-SA-66754. doi:10.1088/1742-6596/180/1/012065
  • Stephan E.G., T.D. Halter, T.D. Gibson, N. Beagley, and K.L. Schuchardt. 2009. "A Multi-Tier Provenance Model for Global Climate Research." In International Conference on Network-Based Information Systems (NBIS '09), August 19-21, 2009, Indianapolis, Indiana, 481-486. Piscataway, New Jersey:IEEE. PNNL-SA-66186. doi:10.1109/NBiS.2009.16


  • Chase J.M., K.L. Schuchardt, G. Chin, J.A. Daily, and T.D. Scheibe. 2008. "Iterative Workflows for Numerical Simulations in Subsurface Sciences." In Proceedings of 2008 IEEE Congress on Services Part 1, 461-464. Los Alamitos, California:IEEE Computer Society. PNNL-SA-59717. doi:10.1109/SERVICES-1.2008.96
  • Moreau L., B.T. Ludaescher, I. Altintas, R.S. Barga, S. Bowers, S.P. Callahan, and G. Chin, et al. 2008. "Special Issue: The First Provenance Challenge." Concurrency and Computation. Practice & Experience 20, no. 5:409-418. PNNL-SA-58957. doi:10.1002/cpe.v20:5
  • Paulson P.R., T.D. Gibson, K.L. Schuchardt, and E.G. Stephan. 2008. Provenance Store Evaluation. PNNL-17237. Richland, WA: Pacific Northwest National Laboratory.
  • Scheibe T.D., A.M. Tartakovsky, D.M. Tartakovsky, G.D. Redden, P. Meakin, B.J. Palmer, and K.L. Schuchardt. 2008. "Hybrid numerical methods for multiscale simulations of subsurface biogeochemical processes." Journal of Physics: Conference Series 125, no. 1:Article No. 012054. PNNL-SA-60981. doi:10.1088/1742-6596/125/1/012054
  • Schuchardt K.L., T.D. Gibson, E.G. Stephan, and G. Chin. 2008. "Applying Content Management to Automated Provenance Capture." Concurrency and Computation. Practice & Experience 20, no. 5:541-554. PNNL-SA-52935.


  • Schuchardt K.L., B.J. Palmer, J. Daily, T.O. Elsethagen, and A.S. Koontz. 2007. "IO strategies and data services for petascale data sets from a global cloud resolving model." Journal of Physics: Conference Series 78. PNNL-SA-55926. doi:10.1088/1742-6596/78/1/012089
  • Schuchardt K.L., B.T. Didier, T.O. Elsethagen, L. Sun, V. Gurumoorthi, J.M. Chase, and J. Li, et al. 2007. "Basis Set Exchange: A Community Database for Computational Sciences." Journal of Chemical Information and Modeling 47, no. 3:1045-1052. PNNL-SA-52887. doi:10.1021/ci600510j
  • Schuchardt K.L., C.M. Pancerella, L. Rahn, B.T. Didier, D. Kodeboyina, D. Leahy, and J.D. Myers, et al. 2007. "Portal-based Knowledge Environment for Collaborative Science." Concurrency and Computation. Practice & Experience 19, no. 12:1703-1716. PNNL-SA-47063. doi:10.1002/cpe.1201
  • Schuchardt K.L., G.D. Black, J.M. Chase, T.O. Elsethagen, and L. Sun. 2007. "Process Integration, data management, and visualization framework for subsurface sciences." Journal of Physics: Conference Series 78. PNNL-SA-55928. doi:10.1088/1742-6596/78/1/012064


  • Chin G., E.G. Stephan, D.K. Gracio, O.A. Kuchar, P.D. Whitney, and K.L. Schuchardt. 2006. "Developing Concept-Based User Interfaces for Scientific Computing." Computer 39, no. 9:26-34. PNNL-SA-48064.
  • Talbott T.D., K.L. Schuchardt, E.G. Stephan, and J.D. Myers. 2006. "Mapping Physical Formats to Logical Models to Extract Data and Metadata: The Defuddle Parsing Engine." In IPAW'06 International Provenance and Annotation Workshop, Chicago, Illinois, May 3-5 2006. Lecture Notes in Computer Science, edited by Luc Moreau and Ian Foster, 4145, 73-81. Berlin:Springer-Verlag. PNNL-SA-48498.


  • Chin G., E.G. Stephan, D.K. Gracio, O.A. Kuchar, P.D. Whitney, and K.L. Schuchardt. 2005. "Scientist-Centered Graph-Based Models of Scientific Knowledge." In HCI International 2005. 11th International Conference on Human-Computer Interaction, 22-27, July 2005, Caesars Palace, Las Vegas, Nevada USA., 10 pages. Mahwah, New Jersey:Lawrence Erlbaum and Associates. PNNL-SA-43320.
  • Myers J.D., T.C. Allison, S.J. Bittner, B.T. Didier, M. Frenklach, W.H. Green, and Y. Ho, et al. 2005. "A Collaborative Informatics Infrastructure for Multi-scale Science." Cluster Computing 8, no. 4:243-253. PNNL-SA-48067.
  • Schuchardt K.L., O. Oluwole, W. Pitz, L.A. Rahn, W.H. Green, D. Leahy, and C.M. Pancerella, et al. 2005. "Development of the RIOT Web Service and Information Technologies to Enable Mechanism Reduction for HCCI Simulations." Journal of Physics: Conference Series 16. PNNL-SA-48053. doi:10.1088/1742-6596/16/1/013


  • Myers J.D., T.C. Allison, S. Bittner, B.T. Didier, M. Frenklach, W.H. Green, and Y. Ho, et al. 2004. "A Collaborative Informatics Infrastructure for Multi-scale Science." In Proceedings of the Second International Workshop on Challenges of Large Applications in Distributed Environments. CLADE 2004, Honolulu Hawaii, 24-33. Piscataway, New Jersey:Institute of Electrical and Electronics Engineers, Inc. PNNL-SA-40934.


  • Black G.D., K.L. Schuchardt, D.K. Gracio, and B.J. Palmer. 2003. "The Extensible Computational Chemistry Environment: A Problem Solving Environment for High Performance Theoretical Chemistry." In 3rd International Conference on Computational Science - ICCS 2003, Saint Petersburg, Russian Federation and Melbourne, Australia; Lecture notes in computer science, edited by Sloot, P., 2660, 122-131. Berlin:Springer. PNNL-SA-38140.
  • Myers J.D., C.M. Pancerella, C.S. Lansing, K.L. Schuchardt, and B.T. Didier. 2003. "Multi-scale Science: Supporting Emerging Practice with Semantically Derived Provenance." In Proceedings of the Workshop on Semantic Web Technologies for Searching and Retrieving Scientific Data, edited by Ashish, N., Goble, C. Aachen:Sun SITE Central Europe (CEUR). PNNL-SA-39195.
  • Pancerella C.M., J. Hewson, W.S. Koegler, D. Leahy, M. Lee, L. Rahn, and C. Yang, et al. 2003. "Metadata in the Collaboratory for Multi-Scale Chemical Science." In DC-2003: Proceedings of the 2003 International Conference on Dublin Core and Metadata Applications: Supporting Communities of Discourse and Practice - Metadata Research & Applications, Article No. 13. Dublin, Ohio:Dublin Core Metadata Initiative (DCMI). PNNL-SA-39194.


  • Chin G., K.L. Schuchardt, J.D. Myers, and D.K. Gracio. 2002. "Participatory Workflow Analysis: Unveling Scientific Research Processes with Physical Scientists." In PDC 2000: Proceedings of the Participatory Design Conference, New York, NY, USA, 28 November-1 December 2000, 30-39. PNNL-SA-33676.
  • Chin G., L.R. Leung, K.L. Schuchardt, and D.K. Gracio. 2002. "New Paradigms in Problem Solving Environments for Scientific Computing." In Proceedings of the 7th International Conference on Intelligent User Interfaces, 39-46. New York, New York:ACM Press. PNNL-SA-35737.
  • Schuchardt K.L., B.T. Didier, and G.D. Black. 2002. "Ecce - A Problem Solving Environment's Evolution Toward Grid Services and a Web Architecture." Concurrency and Computation. Practice & Experience 14, no. 13-15:1221-1239. PNNL-SA-35100. doi:10.1002/cpe.673
  • Schuchardt K.L., J.D. Myers, and E.G. Stephan. 2002. "A Web-Based Data Architecture for Problem-Solving Environments: Application of Distributed Authoring and Versioning to the Extensible Computational Chemistry Environment." Cluster Computing 5, no. 3:287-296. PNNL-SA-35542.


  • Chin G., L.R. Leung, K.L. Schuchardt, and D.K. Gracio. 2001. "Conceptualizing a Collaborative Problem-Solving Environment for Regional Climate Modeling and Assessment of Climate Impacts." In Computational science - ICCS 2001 : international conference, San Francisco, CA, USA, May 28-30, 2001 : proceedings /, edited by Vassil Alexandrov, 2073, 159-174. New York, New York:Springer. PNNL-SA-34489.
  • Schuchardt K.L., J.D. Myers, and E.G. Stephan. 2001. "Open Data Management Solutions for Problem Solving Environments: Application of Distributed Authoring and Versioning to the Extensible Computational Chemistry Environment." In Proceedings of the 10th IEEE International Symposium on High Performance Distributed Computing, edited by IEEE Computer Society, 228-238. Piscataway, New Jersey:IEEE Computer Society Press. PNNL-SA-34890.


  • Dixon D.A., T.H. Dunning, M. Dupuis, D.F. Feller, D.K. Gracio, R.J. Harrison, and D.R. Jones, et al. 1999. "Computational Chemistry in the Environmental Molecular Sciences Laboratory." In High-Performance Computing, edited by RJ Allan, MF Guest, AD Simpson, DS Henty, D Nicole, 3, 215-228. New York, New York:Kluwer Academic/Plenum Pulishers. PNNL-SA-29908.
  • Jones D.R., D.K. Gracio, K.L. Schuchardt, T.L. Keller, and H.L. Taylor. 1999. "Extensible Computational Chemistry Environment (ECCE)." In Domain-Specific Application Frameworks: Frameworks Experience by Industry, edited by Mohamed E Fayad and Ralph E Johnson. 513-528. New York, New York:John Wiley & Sons. PNNL-SA-31046.

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